PSpice_Notes_v5.0

PSpice_Notes_v5.0 - Notes for ORCAD PSpice ECE 65 Created...

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Notes for ORCAD PSpice ECE 65 Created by: Kristi Tsukida (Spring 2006) Edited by: Eldridge Alcantara (Winter 2009) Updated (Fall 2009) 1 OVERVIEW This tutorial will teach you all you need to know about PSpice for ECE 65. You will learn how to do the following: Start a Project Æ Draw a schematic Æ Simulate circuit Æ Graph data Each part will be discussed in more detail in the next five sections. Here is a detailed list of topics covered in each section: 2 STARTING A PROJECT 3 DRAWING A SCHEMATIC 1. Summary of PSpice Parts for ECE 65 2. What your Schematic Needs 3. Adding Parts to your Circuit 4. Using Wires 5. Adding a Ground 6. Changing the Value of a Part 7. Other Notes: Unique Names and Labeling Nodes 4 SIMULATING YOUR CIRCUIT 1. General Instructions 2. Bias Point (DC Calculations) 3. DC Sweep on Input Source, V i 4. Parametric Sweep 5. AC Sweep (Frequency Domain Simulation) 6. Transient Analysis (Time Domain Simulation) 5 GRAPHING IN PSPICE 1. General Instructions 2. Bode Plot 6 MISCELLANEOUS ITEMS 1. Creating an IV Plot (for Lab #1) 2. Using the Zener Diode (for Lab #3) 3. Creating a Potentiometer (for Lab #5) 4. Family of Curves Option for Resistance (for Lab #3) 5. Using the OpAmp (for Lab #3 and Lab #4)
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2 STARTING A PROJECT 1) To Open PSPICE, go to folder ORCAD 16.0 and choose the program OrCAD Capture CIS 2) Choose OrCAD Designer PSCPICE as your Cadence Product Choice. 3) Go to File => New => Project… 4) Enter a name (i.e. Ece65_Kristi_Lab1) 5) Choose "Analog or Mixed A/D" 6) Set the location. (You should create a new directory for your project since PSpice will generate a bunch of project files in this folder.) 7) Click OK 8) Choose "Create blank project" and click OK 9) You should now see a window where you can draw the schematic (i.e., your circuit diagram).
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3 DRAWING A SCHEMATIC 3.1 Summary of PSpice Parts for ECE 65 PART PART NAME PICTURE NOTES DC Source VDC / SOURCE AC Source VAC / SOURCE Sine Wave Source VSIN / SOURCE See Section 4.6 for more instructions Triangle Wave Source Square Wave Source VPULSE / SOURCE See Section 4.7 for more instructions Ground (ref. voltage) 0 / SOURCE Resistor R / ANALOG Capacitor C / ANALOG Inductor L / ANALOG 741 OpAmp uA741 / OPAMP See Section 6.2 for more instructions Diode D1N4148 / DIODE Zener Diode D1N5232 / EVAL See Section 6.4 for more instructions npn BJT Q2N3904 / BIPOLAR
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3.2 What your Schematic Needs All schematics you draw on PSpice will need the following: a voltage source, components, wires, and a ground. The next couple of sections will instruct you on how to draw a full circuit. 3.3 Adding Parts to your Circuit 1) Go to Place => Parts 2) Click on the library you want to use, or select multiple libraries by holding Ctrl or dragging the mouse. In the parts window you should see at least the ANALOG, BIPOLAR, OPAMP, DIODE, and SOURCE libraries. If you don't see these libraries already listed, you will need to add them: a. Click Add Library… b. Navigate to C:\Program Files\OrCad_Demo\Capture\Library\Pspice (This is the location in
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PSpice_Notes_v5.0 - Notes for ORCAD PSpice ECE 65 Created...

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